YARN-7093. Improve log message in ResourceUtils. (Sunil G via wangda)

Change-Id: I88928a747ee3eec17bc76fb71e9aaa632d091f0f

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceUtils.java

@@ -353,7 +353,7 @@ public class ResourceUtils {
             initializedResources = true;
           } catch (FileNotFoundException fe) {
             LOG.info("Unable to find '" + resourceFile
-                + "'. Falling back to memory and vcores as resources", fe);
+                + "'. Falling back to memory and vcores as resources.");
             initializeResourcesMap(conf);
             initializedResources = true;
           }